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欧洲黑杨育种基因资源SSR多态性比较研究

, PP. 477-483

Keywords: 欧洲黑杨,基因资源,SSR,遗传多样性

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Abstract:

本研究利用13对SSR引物对120份(105份国外引进、15份我国新疆)欧洲黑杨基因资源进行了遗传多态性分析,共检测出171个等位基因,每个多态性位点检测到7~19个等位基因,平均为13.2,多态信息指数为0.396~0.909,平均为0.808;遗传距离为0~0.456 4。欧洲黑杨基因种源具有丰富的遗传多样性。通过UPGMA等类分析,将120份材料划分为8类,地理分布较近的材料基本聚在一起,表明遗传距离与地理距离相关性强。

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